package com.yiruantong.common.web.filter;

import jakarta.servlet.*;
import jakarta.servlet.http.HttpServletRequest;
import com.yiruantong.common.core.utils.StringUtils;
import org.springframework.http.MediaType;

import java.io.IOException;

/**
 * Repeatable 过滤器
 *
 * @author rattan
 */
public class RepeatableFilter implements Filter {
  @Override
  public void init(FilterConfig filterConfig) throws ServletException {

  }

  @Override
  public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain)
    throws IOException, ServletException {
    ServletRequest requestWrapper = null;
    if (request instanceof HttpServletRequest
      && StringUtils.startsWithIgnoreCase(request.getContentType(), MediaType.APPLICATION_JSON_VALUE)) {
      requestWrapper = new RepeatedlyRequestWrapper((HttpServletRequest) request, response);
    }
    if (null == requestWrapper) {
      chain.doFilter(request, response);
    } else {
      chain.doFilter(requestWrapper, response);
    }
  }

  @Override
  public void destroy() {

  }
}
